Viking program

Overview

The Viking program placed two orbiter–lander pairs at Mars, returning the first images from the Martian surface and searching for life.

Knowledge connections

• Operated byNASA
• Program includesViking 1
• Program includesViking 2

Sources

Facts on this topic will be cited from these primary and reference sources.

• NASANational Aeronautics and Space Administration

  Mission data, planetary science, space telescopes, and public-domain imagery.

  Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.